Category Archives: ASIA

ASIA, PHILIPPINES, WORLD

700,000-Year-Old Stone Tools Point To Mysterious Human Relative

700,000-Year-Old Stone Tools Point To Mysterious Human Relative

Someone butchered a rhinoceros in the Philippines hundreds of thousands of years before modern humans arrived — but who?

by Michael Greshko, National Geographic

Stone tools found in the Philippines predate the arrival of modern humans to the islands by roughly 600,000 years — but researchers aren’t sure who made them. The eye-popping artefacts, unveiled on Wednesday in Nature, were abandoned on a river floodplain on the island of Luzon beside the butchered carcass of a rhinoceros. The ancient toolmakers were clearly angling for a meal.

700,000-Year-Old Stone Tools Point To Mysterious Human Relative

Two of the rhino’s limb bones are smashed in as if someone was trying to harvest and eat the marrow inside. Cut marks left behind by stone blades crisscross the rhino’s ribs and ankle, a clear sign that someone used tools to strip the carcass of meat.

But the age of the remains makes them especially remarkable: The carved bones are most likely between 631,000 and 777,000 years old, with researchers’ best estimate coming in around 709,000 years old. The research — partially funded by the National Geographic Society — pushes back occupation of the Philippines to before the known origin of our species, Homo sapiens. The next-earliest evidence of Philippine hominins comes from Luzon’s Callao Cave, in the form of a 67,000-year-old foot bone.

“It was surprising to find such an old peopling of the Philippines,” says lead study author Thomas Ingicco, an archaeologist with France’s National Museum of Natural History. While the researchers don’t know which archaic cousin of ours butchered the rhino, the find will likely cause a stir among people studying the human story in the South Pacific — especially those wondering how early hominins got to the Philippines in the first place.

“I think it’s pretty spectacular,” says Michael Petraglia, a paleoanthropologist at the Max Planck Institute for the Science of Human History who was not involved in the work.

“While there had been claims for early hominins in places like the Philippines, there wasn’t any good evidence until now.”

Dating With Confidence

Several of the habitable islands across the South Pacific have long been hemmed off by swaths of open ocean, so it was thought that humans’ ancient cousins couldn’t have made it to them without knowing how to sail. But as the saying goes, life finds a way. In 2004, researchers unveiled Homo floresiensis, which lived on the isolated island of Flores for hundreds of thousands of years. In 2016, researchers also found stone tools on Sulawesi, an island north of Flores. As National Geographic reported at the time, the Sulawesi tools date to at least 118,000 years ago, or some 60,000 years before the first anatomically modern humans arrived.

“It’s really, really exciting — it’s now becoming increasingly clear that ancient forms of hominins were able to make significant deep-sea crossings,” says Adam Brumm, a paleoanthropologist at Griffith University who studies H. floresiensis.

In search of similar sites, Ingicco and Dutch biologist John de Vos went to Kalinga, a site in northern Luzon with a reputation for yielding ancient bones. Researchers had found animal bones and stone tools there since the 1950s, but those scattered remains couldn’t be dated. To prove that ancient hominins had lived at Kalinga, de Vos and Ingicco needed to find artefacts that were still buried. In 2014, the team dug a test pit at Kalinga about seven feet to the side. Almost immediately, the researchers started finding bones that belonged to a long-extinct rhinoceros. Soon, they had uncovered an entire skeleton, as well as stone tools left behind by its butchers.

To get an age range for the site, the team measured the sediments and the rhino’s teeth to see how much radiation they had naturally absorbed over time. In addition, they measured the natural uranium content of one of the rhino’s teeth, since that element decays like clockwork into thorium. In the mud around the rhino’s bones, they also found a speck of melted glass from an asteroid impact dated to about 781,000 years ago.

“Nowadays, it’s necessary that you try various methods to nail the dates because, in the past, there have been so many dates that have proved unreliable,” says study coauthor Gerrit van den Bergh, a University of Wollongong sedimentologist.

The Unusual Suspects

The list of possible toolmakers includes the Denisovans, a ghost lineage of hominins known from DNA and a handful of Siberian fossils. The leading candidate, though, is the early hominin Homo erectus, since it definitely made its way into southeast Asia. The Indonesian island of Java has H. erectus fossils that are more than 700,000 years old.

Ingicco’s team suggests that the butchers may have been Luzon’s version of H. floresiensis, which may have descended from a population of H. Erectus that ended up on Flores. Over millennia, the H. Erectus there may have evolved to live efficiently on a predator-free island, shrinking in a process called island dwarfism. In 2010, a team led by University of Philippines Diliman archaeologist Armand Mijares found the Callao Cave foot bone, which has measurements that overlap with both modern humans and H. floresiensis. Was this Luzon hominin a homegrown hobbit, descended from H. Erectus castaways that arrived hundreds of thousands of years before? It’s too soon to say.

“We don’t have any information about 600,000 years of prehistory, [so] it’s a reach,” says Petraglia.

Riding Out the Storm?

Whoever they were, the toolmakers’ ancestors may have taken one of two migration routes into the Philippines, according to Ingicco’s team: a west-to-east route from Borneo or Palawan, or a north-to-south route from China and Taiwan. But it’s an open question how these hominins crossed the open ocean.

It’s tempting to think that our extinct cousins used rudimentary boats: When news of the Callao Cave remains broke in 2010, some experts chalked up their presence to ancient seafarers. But the idea is still considered farfetched. Rhinos and elephant-like creatures also made it to Luzon, and they clearly didn’t build boats.

The Philippines’ Tubbataha is host to 600 species of fish, 13 species of whales and dolphins, and 360 species of coral. The reef’s isolated location, combined with committed management, has left it in a nearly pristine state.

Perhaps large animals and the butchers’ ancestors accidentally rode to Luzon on floating masses of mud and aquatic plants, torn off coastlines by large storms. Regional tsunamis may have also washed some terrified H. Erectus out to sea. As they clung to floating debris, they may have inadvertently island-hopped.

“Water dispersal by H. Erectus is accidental — there’s no Manifest Destiny, there’s no plot,” says Russell Ciochon, a paleoanthropologist at the University of Iowa at Iowa City. There are also outstanding questions about what happened when and if descendants of these early hominins made contact with the first modern humans to reach Luzon:

“Did our species come face to face with these creatures? What is the nature of that contact?” wonders Brumm.

These and other questions remain to be answered, but researchers say that study of the human story in Luzon — and the South Pacific writ large — is only just beginning.

ASIA, S. KOREA

Genomes Offer Clues to Korea’s Three Kingdoms Period

Genomes Offer Clues to Korea’s Three Kingdoms Period

An international team led by The University of Vienna and the Ulsan National Institute of Science and Technology in collaboration with the National Museum of Korea has successfully sequenced and studied the whole genome of eight 1,700-year-old individuals dated to the Three Kingdoms period of Korea (approx. 57 BC-668 AD).

Genomes Offer Clues to Korea’s Three Kingdoms Period
Facial reconstruction is possible through DNA analyses

The first published genomes from this period in Korea bring key information for the understanding of Korean population history.

The Team has been led by Pere Gelabert and Prof. Ron Pinhasi of the University of Vienna together with Prof. Jong Bhak and Asta Blazyte from the UNIST and Prof. Kidong Bae from the National Museum of Korea.

The study, published in Current Biology, showed that ancient Koreans from the Gaya confederacy were more diverse than the present-day Korean population.

The eight ancient skeletal remains used for DNA extraction and bioinformatic analyses came from the Daesung-dong tumuli, the iconic funerary complex of the Gaya confederacy, and from the Yuha-ri shell mound; both archaeological sites located in Gimhae, South Korea. 

Some of the eight studied individuals were identified as tomb owners, others as human sacrifices, and one, a child, was buried in a shell mound, a typical funerary monument of Southeast Asia that is not related to privileged individuals.

All burial sites are typical for the Gaya region funerary practices in AD 300-500.

“The individual genetic differences are not correlated to the grave typology, indicating that the social status in the Three Kingdoms Korea would not be related to genetic ancestry.

We have observed that there is no clear genetic difference between the grave owners and the human sacrifices” explains Anthropologist Pere Gelabert.

Six out of eight ancient individuals were genetically closer to modern Koreans, modern Japanese, Kofun Japanese (Kofun genomes are contemporaneous with individuals from our study), and Neolithic Koreans.

The genomes of the remaining two were slightly closer to modern Japanese and ancient Japanese Jomons. “This means that in the past, the Korean peninsula showed more genetic diversity than in our times,” says Gelabert.

Modern Koreans, on the other hand, appear to have lost this Jomon-related genetic component owing to the relative genetic isolation that followed the Three Kingdoms period. These results support a well-documented post- Three Kingdoms period of Korean history, suggesting that Koreans of that time were intermixing within the peninsula, and their genetic differences were diminishing until the Korean population became homogeneous as we know it today.

A detailed DNA-based facial feature prediction for the eight genomes showed that the Three Kingdoms period Koreans resembled modern Koreans.

This is the first instance of publishing an ancient individual’s face prediction using DNA-only in a scientific journal. This approach may create a precedent for other ancient genome studies to predict facial features when the skulls are extremely degraded.

ASIA, ISRAEL, WORLD

Olive Trees Were First Domesticated 7,000 Years Ago

Olive Trees Were First Domesticated 7,000 Years Ago

Olive Trees Were First Domesticated 7,000 Years Ago

A joint study by researchers from Tel Aviv University and the Hebrew University unravelled the earliest evidence for the domestication of a fruit tree. The researchers analyzed remnants of charcoal from the Chalcolithic site of Tel Zaf in the Jordan Valley and determined that they came from olive trees.

Since the olive did not grow naturally in the Jordan Valley, this means that the inhabitants planted the tree intentionally about 7,000 years ago. Some of the earliest stamps were also found at the site, and as a whole, the researchers say the findings indicate wealth and early steps toward the formation of a complex multilevel society.

The groundbreaking study was led by Dr. Dafna Langgut of The Jacob M. Alkow Department of Archaeology & Ancient Near Eastern Cultures, The Sonia & Marco Nadler Institute of Archaeology and the Steinhardt Museum of Natural History at Tel Aviv University.

The charcoal remnants were found in the archaeological excavation directed by Prof. Yosef Garfinkel of the Institute of Archaeology at the Hebrew University. The findings were published in the journal Scientific Reports from the publishers of Nature.

‘Indisputable Proof of Domestication’

According to Dr. Langgut, Head of the Laboratory of Archaeobotany & Ancient Environments which specializes in microscopic identification of plant remains, “trees, even when burned down to charcoal, can be identified by their anatomic structure. Wood was the ‘plastic’ of the ancient world.

It was used for construction, for making tools and furniture, and as a source of energy. That’s why identifying tree remnants found at archaeological sites, such as charcoal from hearths, is a key to understanding what kinds of trees grew in the natural environment at the time, and when humans began to cultivate fruit trees.”

In her lab, Dr. Langgut identified the charcoal from Tel Zaf as belonging to olive and fig trees. “Olive trees grow in the wild in the land of Israel, but they do not grow in the Jordan Valley,” she says. “This means that someone brought them there intentionally – took the knowledge and the plant itself to a place that is outside its natural habitat. In archaeobotany, this is considered indisputable proof of domestication, which means that we have here the earliest evidence of the olive’s domestication anywhere in the world.”

7,000 years-old microscopic remains of charred olive wood (Olea) recovered from Tel Tsaf

“I also identified many remnants of young fig branches. The fig tree did grow naturally in the Jordan Valley, but its branches had little value as either firewood or raw materials for tools or furniture, so people had no reason to gather large quantities and bring them to the village.

Apparently, these fig branches resulted from pruning, a method still used today to increase the yield of fruit trees.”

Evidence of Luxury

The tree remnants examined by Dr. Langgut were collected by Prof. Yosef Garfinkel of the Hebrew University, who headed the dig at Tel Zaf. Prof. Garfinkel: “Tel Zaf was a large prehistoric village in the middle Jordan Valley south of Beit She’an, inhabited between 7,200 and 6,700 years ago. Large houses with courtyards were discovered at the site, each with several granaries for storing crops.

Storage capacities were up to 20 times greater than any single family’s calorie consumption, so clearly these were caches for storing great wealth.

The wealth of the village was manifested in the production of elaborate pottery, painted with remarkable skill. In addition, we found articles brought from afar: pottery of the Ubaid culture from Mesopotamia, obsidian from Anatolia, a copper awl from the Caucasus, and more.”

Dr. Langgut and Prof. Garfinkel were not surprised to discover that the inhabitants of Tel Zaf were the first in the world to intentionally grow olive and fig groves, since growing fruit trees is evidence of luxury, and this site is known to have been exceptionally wealthy.

Dr. Langgut: “The domestication of fruit trees is a process that takes many years, and therefore befits a society of plenty, rather than one that struggles to survive. Trees give fruit only 3-4 years after being planted. Since groves of fruit trees require a substantial initial investment and then live on for a long time, they have great economic and social significance in terms of owning land and bequeathing it to future generations – procedures suggesting the beginnings of a complex society.

Moreover, it’s quite possible that the residents of Tel Zaf traded in products derived from the fruit trees, such as olives, olive oil, and dried figs, which have a long shelf life.

Such products may have enabled long-distance trade that led to the accumulation of material wealth, and possibly even taxation – initial steps in turning the locals into a society with a socio-economic hierarchy supported by an administrative system.”

Dr. Langgut concludes: “At the Tel Zaf archaeological site we found the first evidence in the world for the domestication of fruit trees, alongside some of the earliest stamps – suggesting the beginnings of administrative procedures. As a whole, the findings indicate wealth, and early steps toward the formation of a complex multilevel society, with the class of farmers supplemented by classes of clerks and merchants.”

ASIA, IRAN, WORLD

Preserved by Nature: Studying the Spectacular Salt Mummies of Iran

Preserved by Nature: Studying the Spectacular Salt Mummies of Iran

In 1993, miners at the Chehrabad Salt Mine in the Zanjan province of Iran discovered a body. Clearly a man, the body had flowing white hair and a beard and was sporting a single gold earring. Though he didn’t initially appear that old, carbon dating showed he had died in 300 A.D.

The head of Salt Man 1, is on display at the National Museum of Iran.

The man had likely died from being crushed by a rock collapse, and his body had been effectively mummified by the dry salinity of the air. Unlike Egyptian mummification practices, where the body was wrapped in fabric and coated in preserving oils, the salt mummy was preserved naturally.

The salt from the mines leeched the moisture from his skin, leaving behind his dried remains. Due to the lack of fresh air, and the layers of salt in the mines, the body had gone undisturbed for centuries and was extremely well preserved.

He is now the first of a group of preserved bodies found in the mine, known as the Saltmen.

The body of Salt Man 3, is on display at the Archeology Museum in Zanjan.

Since the first salt mummy was discovered, five more have been found, all within the same area as the first. The second was discovered in 2004, only 50 feet from the first one. Two more were found in 2005, and two more in 2007 — one of them a woman.

In 2008, mining practices were halted, and the mine was declared an archaeological site, allowing researchers full access to the salt mummies.

The finds quickly became important ones for Iranian archaeologists, as they offered insight into historic mining practices, as well as natural mummification.

The find also offered new information on the ancient men’s diets. Because the bodies were so well preserved, some of their internal organs were still intact. Researchers were even able to find remnants in the 2200-year-old mummy’s stomach that contained tapeworm eggs, signalling that his diet was high in raw or undercooked meat.

It also provided the earliest evidence of intestinal parasites in Iran.

Along with the bodies, the salt also preserved the artefacts that were with them when they died. Researchers were able to recover a leather boot (with a foot still inside), iron knives, a woollen trouser leg, a silver needle, a sling, leather rope, a grindstone, a walnut, pottery shards and patterned textile fragments.

Of the six mummies discovered, four of them are currently on display. The Archeology Museum, in Zanjan, is home to three of the men and the woman, as well as some of the artefacts.

The original salt mummy’s head and left foot are on display at the National Museum of Iran, in Tehran.

Another salt mummy, on display at the Archeology Museum. The bodies are all displayed in the positions they were found.

The sixth salt mummy to be discovered remains in the mine, as he was too fragile to remove.

Researchers don’t believe the Saltmen all died together, though they do share some similarities. The first man found probably died around 300 A.D., while the oldest body found dated back to 9550 B.C.

They also believe that there could be more mummies in the mine. Though six whole bodies have been accounted for, detached body parts have also been found. Some of them were initially believed to be part of a single individual, however, they are actually from different bodies.

The number of potential Saltmen bodies is now believed to be eight or more.

ASIA, INDONESIA, WORLD

44,000-Year-Old Cave Painting Could Be the Earliest Known Depiction of Hunting

44,000-Year-Old Cave Painting Could Be the Earliest Known Depiction of Hunting

A 44,000-year-old cave painting of a hunting scene that involves humans and animals might be the oldest recorded story. It was discovered, by a group of archaeologists from Griffith University, Australia, in a cave on the Indonesian island Sulawesi.

Researchers think this mural might be the oldest rock art ever painted — the first sign of the ability of human being’s to paint, but also the earliest proof of our relationship with the spiritual or supernatural.

The painting in the cave depicts a scene where a group of part-human, part animal-like figures are hunting large animals that look a lot like pigs found in Sulawesi, along with a species of small-bodied buffalo called the ‘anoa’. Human beings with heads of animals seem to be carrying spears or ropes to help in their hunt.

The animals in the rock art that is being hunted by the half-human, half-animals beings.

Half-animal, half-human figures

The “human” figures in rock art, dubbed “therianthropes” are human figures with animal characteristics. These types of figures have shown up in cultures all around the world — from 17,000-year-old paintings of bird-headed human beings being charged by a bison in France’s Lascaux caves to a 40,000-year-old carved figure called “the Lion Man” in Germany.

“The hunters represented in the ancient rock art panel at Leang Bulu’ Sipong 4 are simple figures with human-like bodies, but they have been depicted with heads or other body parts like those from birds, reptiles, and other faunal species endemic to Sulawesi,” Adhi Agus Oktaviana, a rock art expert and PhD student in Griffith University, said in a statement.

This depiction of therianthropes may be the oldest evidence of the human ability to “imagine the existence of supernatural beings, a cornerstone of religious experience,” which means that they might have begun to have a semblance of understanding of religion or spiritual ideas.

“The images of therianthropes at Leang Bulu’ Sipong 4 may also represent the earliest evidence for our capacity to conceive of things that do not exist in the natural world, a basic concept that underpins modern religion,” Adam Brumm, an archaeologist who was part of the study said.

“Early Indonesians were creating art that may have expressed spiritual thinking about the special bond between humans and animals long before the first art was made in Europe, where it has often been assumed the roots of modern religious culture can be traced.” 

There is a handprint in red, at the left end of the mural that acts as a signature of the artist.

Cave art at a possible sacred site

The cave itself, researchers think, might have been a sacred site. It is not easily accessible, what with it being perched on a clifftop 20 meters above the valley floor — it would have required some climbing.

“Accessing it requires climbing, and this is not an occupation site. So people were going in there for another reason,” Maxime Aubert, an archaeologist part of this study told Ars Technica in an interview.

There was no evidence of the cave being used as a living place. There was no trace of the usual debris of human life—stone tools, discarded bones, and cooking fires—anywhere in the cave or in the much larger chamber beneath it.

The entrance of the cave is 20 meters above the valley.

The cave, which was given the name “Leang Bulu’ Sipong 4” when it was unearthed in 2017, is one of the hundreds of caves in the Maros-Pangkep limestone-rich region of South Sulawesi in Indonesia. In an interview with Nature, Brumm said, “I’ve never seen anything like this before. I mean, we’ve seen hundreds of rock art sites in this region, but we’ve never seen anything like a hunting scene.”

To confirm the art was the oldest, the group of archaeologists carried out dating tests by calcite build-up on the painting. The researchers were able to determine that calcite build-up on one pig began forming at least 43,900 years ago. The build-up on the two buffaloes is older than 40,900 years. The rock art previously considered to be the oldest was found in sites in Europe, and dated back to between 14,000 to 21,000 years ago.

A wide view of the entire painting, with annotations.

Archaeological findings like these are growing important in our understanding of humankind’s roots and evolution. There’s a fear this rock art might soon be lost altogether because of deterioration. The art is peeling and they do not know what is causing it.

“It would be a tragedy if these exceptionally old artworks should disappear in our own lifetime, but it is happening,” Oktaviana said.

“We need to understand why this globally significant rock art is deteriorating – now.”

ASIA, CHINA, WORLD

Fossils May Represent China’s Earliest Hominins

Fossils May Represent China’s Earliest Hominins

Scientists at the Centro Nacional de Investigación Sobre la Evolución Humana (CENIEH) form part of a team of Chinese, Spanish, and French scientists that has just published a study of what may prove to be China’s most ancient human fossil, in the Journal of Human Evolution.

Remains of jawbone and teeth of Gongwangling skull/Xing Song

The researchers employed microCT, geometric morphometry, and classical morphology techniques to investigate the remains of the maxillary and five teeth from the skull unearthed at the Chinese site of Gongwangling.

This site is on the vast plains on the northern slopes of the Quinling Mountains (province of Shaanxi, in central China) and was discovered by the scientist Woo Ju-Kang in 1963.

The age of the site was reevaluated in 2015 through regional palaeomagnetism studies.

Those data suggest that the Gongwangling remains date from something over 1.6 million years ago, and so they could belong to one of the first human beings to colonize what is now China.

According to the new study, there exist similarities between the Gongwangling teeth and those from rather more recent Chinese sites: Meipu and Quyuan River Mouth; but some variability is also presented, suggesting a certain diversity among the populations of H. Erectus that colonized Asia during the Pleistocene.

The importance of this new work lies in the scarcity of information about the early colonisation of Asia.

The Dmanisi site (Republic of Georgia) has furnished very significant evidence of the earliest inhabitants of Asia, who arrived from Africa around two million years ago. But much more information is needed to connect Dmanisi with the classic H. erectus populations of China (Hexian, Yiyuan, Xichuan, or Zhoukoudian), who lived in this great continental mass between 400,000 and 800,000 years ago.

“The Gongwangling site helps to plug this enormous lapse of time and it suggests that Asia might have been settled by successive populations of the species H. Erectus at different moments of the Pleistocene”, comments José María Bermúdez de Castro, coordinator of the Paleobiology Program at the CENIEH.

Characteristics of Homo erectus

The Gongwangling skull presents all the characteristics described for H. Erectus: low and very long cranium, with very thick bones that protected a brain of some 780 cubic centimetres; steeply inclined frontal, with pronounced superciliary arches that form a sort of twin visor above the eyes; flattened parietals which rise at the top to produce a sagittal keel; maximum parietal thickness at the skull base.

The Gongwangling occipital is incomplete, but the reconstruction shows how this bone turns abruptly to comprise the skull base.

Close collaboration between Chinese scientists, led by Liu Wu, of the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), and the Spanish scientists at the CENIEH who, in alphabetical order, were Bermúdez de Castro, Laura Martín-Francés, and María Martinón-Torres, has been essential to this new study of the fossil teeth from China.

ASIA, ISRAEL, WORLD

Ancient Humans Tamed Fire as Early as 1 Million Years Ago, Study Suggests

Ancient Humans Tamed Fire as Early as 1 Million Years Ago, Study Suggests

Ancient Humans Tamed Fire as Early as 1 Million Years Ago, Study Suggests
The heat of a fire can make lasting changes to nearby stones

An artificial intelligence tool has revealed hidden evidence of ancient fire at a 1-million-year-old archaeological site in Israel. Applying the technology at other sites could revolutionise our understanding of when and where humans first began controlling fire, which is widely considered to be one of the most significant innovations of all time.

Archaeologists already have a few techniques for identifying whether ancient humans used fire. For instance, you can look for signs that prehistoric bones are discoloured – or that stone tools are warped – in a way that is consistent with exposure to temperatures of 450°C or more.

But this sort of evidence is rarely found at sites that are more than 500,000 years old.

Last year, a group of researchers in Israel unveiled a deep-learning AI tool that can identify subtler signs of fire caused by exposure to temperatures of between 200 and 300°C.

The team trained the algorithm by gathering chunks of flint from non-archaeological sites in the Israeli countryside, heating them to particular temperatures in the lab and then tasking the AI with identifying subtle changes in the flint’s response to UV light.

Now, the team, working with Michael Chazan at the University of Toronto in Canada, has used the algorithm to look at flints from a 1-million-year-old ancient human site called Evron Quarry in Israel.

“The reason we chose Evron Quarry was that it uses the same kind of flint they had used in the previous study,” says Chazan. “But there was just no reason to think there would be evidence of burning there.”

To Chazan’s surprise, the AI tool suggested that many of the flint tools at the site had been heated, mostly to temperatures of about 400°C.

Flint tools found at the Evron Quarry.

The team then took a closer look at chunks of bone recovered from the site and, using existing techniques, confirmed that they had been heated too.

Chazan says no one would have bothered testing the bones for heat exposure without the flint results from the AI.

The clustering of the heated stones and bones hints that ancient humans had control over the fire at Evron Quarry, rather than this being evidence of natural wildfire.

At the moment, there is a small amount of evidence that humans were using fire 1.5 million years ago. However, Chazan thinks the AI tool could be used to test a popular hypothesis that fire – and cooking – was widespread between about 1.8 and 2 million years ago.

“In the past, I’ve said: no, I don’t really think that’s right,” says Chazan. Now he isn’t so sure.

ASIA, CHINA, WORLD

A trove of 13,000 Artifacts Sheds Light on Enigmatic Chinese Civilization

A trove of 13,000 Artifacts Sheds Light on Enigmatic Chinese Civilization

A trove of 13,000 Artifacts Sheds Light on Enigmatic Chinese Civilization
Bronze sacrificial altar unearthed at the Sanxingdui archaeological site

For hundreds of years, the Sanxingdui culture flourished in what is now southwest China, producing ornate bronze masks and precious wares before vanishing abruptly around 1100 or 1200 B.C.E.

Believed to be part of the broader Shu state, the civilization continues to fascinate more than 3,000 years after its demise. As state-run news agency Xinhua reports, a trove of 13,000 artefacts unearthed at the Sanxingdui Ruins site over the past two years is poised to offer new insights into the mysterious Bronze Age culture.

Found in six sacrificial pits, according to China Daily’s Wang Kaihao, the cache includes 1,238 bronze wares, 543 gold artefacts and 565 jade objects.

Among the highlights of the discovery is a bronze box with a tortoise-shaped lid, dragonhead handles and bronze ribbons. Green jade is tucked inside the container, which appears to have once been wrapped in silk.

“It would not be an exaggeration to say that the vessel is one of its kind, given its distinctive shape, fine craftsmanship and ingenious design,” Li Haichao, an archaeologist at Sichuan University, tells Xinhua. “Although we do not know what this vessel was used for, we can assume that ancient people treasured it.”

Bronze head with gold mask excavated at the Sanxingdui archaeological site

Other key finds include a bronze sacrificial altar, a giant bronze mask, and a bronze statue with a human head and a snake’s body. Per the Global Times’ Ji Yuqiao, the hybrid figure rests its hands on a lei drinking vessel; another type of vessel known as a zun is painted on the statue’s head in vermillion hues.

The sculpture’s blend of artistic styles reflects the “early exchange and integration of Chinese civilization,” says Ran Honglin, a researcher at the Sichuan Provincial Cultural Relics and Archaeology Research Institute, to Xinhua. It’s human and snake components are typical of the Shu state, while the lei is more commonly associated with the pre-Western Zhou Dynasty. The zun is historically found in the Zhongyuan region.

“These three factors are now blended into one artefact, which demonstrates that Sanxingdui is an important part of Chinese civilization,” Ran adds.

According to an official government FAQ, a farmer stumbled onto the Sanxingdui Ruins in 1929. The first archaeological excavation at the site took place in 1934, but work soon drew to a halt amid the political tumult of the mid-20th century.

It was only in 1986 that scholars recognized the significance of the ruins: As Live Science’s Tia Ghose wrote in 2014, archaeologists found two pits filled with 1,000 artefacts, including eight-foot-tall bronze sculptures whose artistry points to an “impressive technical ability that was present nowhere else in the world at the time.” Because the objects were broken or burned before burial, experts concluded that they’d been placed in the pits as part of a sacrificial ritual.

A large bronze head with protruding eyes is believed to be a depiction of Cancong, the semi-legendary first king of Shu

In addition to the towering figurines, excavators discovered oversized bronze masks with exaggerated facial features. Measuring around three feet wide, the masks share several key characteristics, per the Saxingdui Museum: “knife-shaped eyebrows, protruding eyes in [a] triangle shape, big stretching ears, snub nose and fine mouth.” Experts posit that the masks may have memorialized their creators’ ancestors or gods.

No written records or human remains associated with the Sanxingdui survive today, reports Kathleen Magramo for CNN. But scholars generally agree that the culture was part of the kingdom of Shu, which thrived on the Chengdu Plain until its defeat by the state of Qin in 316 B.C.E. The exact reasons for the Sanxingdui’s decline are unknown, but theories abound, with earthquakes, war and flooding all proposed as possible explanations.

Based on the discovery of similar artefacts at Jinsha, about 30 miles away from the Sanxingdui Ruins, some archaeologists argue that the Sanxingdui moved to Jinsha and rebuilt their community there.

Between 2020 and 2022, a renewed slate of excavations uncovered six additional pits at the Sanxingdui site. Last year, archaeologists revealed fragments of a gold mask, traces of silk, bronzeware adorned with depictions of animals, ivory carvings and other artefacts.

The current round of excavations is slated to conclude in October. As Ran tells the Global Times, “The number of unearthed cultural relics will keep increasing with further work.”